140 lines
3.9 KiB
C
140 lines
3.9 KiB
C
/*
|
|
* (C) Copyright 2007 Pengutronix
|
|
* Sascha Hauer, <s.hauer@pengutronix.de>
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include <common.h>
|
|
|
|
#ifdef CFG_SPLASH
|
|
|
|
#include <command.h>
|
|
#include <bmp_layout.h>
|
|
#include <splash.h>
|
|
#include <asm/byteorder.h>
|
|
|
|
static struct fb_data *fbd = NULL;
|
|
|
|
int splash_set_fb_data(struct fb_data *d)
|
|
{
|
|
fbd = d;
|
|
return 0;
|
|
}
|
|
|
|
int do_splash(cmd_tbl_t *cmdtp, int argc, char *argv[])
|
|
{
|
|
ulong addr;
|
|
bmp_image_t *bmp;
|
|
int fb_line_length, bmp_line_length;
|
|
int copy_width, copy_height;
|
|
int colors;
|
|
int i, x, y;
|
|
char *src, *dst;
|
|
unsigned long *dstl, *srcl;
|
|
|
|
if (argc == 1) {
|
|
printf ("Usage:\n%s\n", cmdtp->usage);
|
|
return 1;
|
|
}
|
|
|
|
if (!fbd) {
|
|
printf("No framebuffer found\n");
|
|
return 1;
|
|
}
|
|
|
|
addr = simple_strtoul(argv[1], NULL, 16);
|
|
|
|
bmp = (bmp_image_t *)addr;
|
|
|
|
if (!((bmp->header.signature[0]=='B') &&
|
|
(bmp->header.signature[1]=='M'))) {
|
|
printf("No valid bmp file found on address 0x%08x\n",addr);
|
|
return 1;
|
|
}
|
|
|
|
if (fbd->bpp != le16_to_cpu(bmp->header.bit_count)) {
|
|
printf("Display image depth does not match framebuffer image depth\n");
|
|
printf("(display depth: %dbpp image depth: %dbpp\n", fbd->bpp,
|
|
le16_to_cpu(bmp->header.bit_count));
|
|
return 1;
|
|
}
|
|
|
|
colors = 1 << le16_to_cpu (bmp->header.bit_count);
|
|
printf("Image size : %d x %d\n", le32_to_cpu(bmp->header.width),
|
|
le32_to_cpu(bmp->header.height));
|
|
printf("Bits per pixel: %d\n", le16_to_cpu(bmp->header.bit_count));
|
|
printf("colors used : %d\n", colors);
|
|
|
|
/* Set color map to zero */
|
|
for (i = 0; i < colors; i++)
|
|
fbd->setcolreg(fbd, i, 0, 0, 0);
|
|
|
|
fb_line_length = (fbd->xres * fbd->bpp) >> 3;
|
|
bmp_line_length = (le32_to_cpu(bmp->header.width) *
|
|
le16_to_cpu(bmp->header.bit_count)) >> 3;
|
|
if (bmp_line_length & 0x3)
|
|
bmp_line_length = (bmp_line_length & ~3) + 4;
|
|
copy_width = min(fb_line_length, bmp_line_length);
|
|
copy_height = min(fbd->yres, le32_to_cpu(bmp->header.height));
|
|
|
|
memset(fbd->fb, 0, fb_line_length * fbd->yres);
|
|
|
|
// printf("copy_width: %d copy_height: %d fb_line_length: %d "
|
|
// "bmp_line_length: %d\n", copy_width, copy_height,
|
|
// fb_line_length, bmp_line_length);
|
|
for (y = 0; y < copy_height; y++) {
|
|
dst = (char*)fbd->fb + y * fb_line_length;
|
|
src = (char*)(addr + bmp->header.data_offset) +
|
|
(le32_to_cpu(bmp->header.height) - y - 1) * bmp_line_length;
|
|
|
|
// printf("dst: %d src: %d\n",
|
|
// (unsigned long)dst - (unsigned long)fbd->fb,
|
|
// (unsigned long)src - (unsigned long)(addr + bmp->header.data_offset));
|
|
|
|
dstl = (unsigned long *)dst;
|
|
srcl = (unsigned long *)((unsigned long)src & ~3);
|
|
for (x = 0; x < (copy_width >> 2); x++) {
|
|
*dstl++ = *srcl++;
|
|
}
|
|
}
|
|
|
|
/* Set color map */
|
|
for (i = 0; i < colors; i++) {
|
|
bmp_color_table_entry_t cte = bmp->color_table[i];
|
|
fbd->setcolreg(fbd, i, cte.red, cte.green, cte.blue);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
splash, 2, 0, do_splash,
|
|
"splash <imageaddr> - display a splash screen.",
|
|
" Only color mapped\n"
|
|
" bmp files are supported. Images smaller than\n"
|
|
" the screen are put in the top left corner, from \n"
|
|
" bigger images only the top left corner of the\n"
|
|
" image is displayed\n"
|
|
);
|
|
|
|
#endif /* CFG_SPLASH */
|
|
|